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Answers and rating deltas for
How to group a data.frame by date?
| Author | Votes | Δ |
|---|---|---|
| A5C1D2H2I1M1N2O1R2T1 | 4 | +1.83 |
| Jilber Urbina | 2 | -1.83 |
Last visited: Sep 14, 2014, 5:07:29 AM